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Code Issues Releases Activity

matroskaenc: fixed display width / height calculation for stereo mode

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Based-on: patch by Asan Usipov <asan.usipov@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-29 13:30:08 +04:00
parent a483aae7d8
commit 6103faaa51
1 changed files with 22 additions and 2 deletions
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24
libavformat/matroskaenc.c
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@ -592,6 +592,8 @@ static int mkv_write_tracks(AVFormatContext *s)
int bit_depth = av_get_bits_per_sample(codec->codec_id);
int sample_rate = codec->sample_rate;
int output_sample_rate = 0;
int display_width_div = 1;
int display_height_div = 1;
AVDictionaryEntry *tag;
if (codec->codec_type == AVMEDIA_TYPE_ATTACHMENT) {
@ -723,6 +725,21 @@ static int mkv_write_tracks(AVFormatContext *s)
return AVERROR(EINVAL);
} else
put_ebml_uint(pb, MATROSKA_ID_VIDEOSTEREOMODE, st_mode);
switch (st_mode) {
case 1:
case 8:
case 9:
case 11:
display_width_div = 2;
break;
case 2:
case 3:
case 6:
case 7:
display_height_div = 2;
break;
}
}
if ((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) ||
@ -737,8 +754,11 @@ static int mkv_write_tracks(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Overflow in display width\n");
return AVERROR(EINVAL);
}
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width / display_width_div);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height / display_height_div);
} else if (display_width_div != 1 || display_height_div != 1) {
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , codec->width / display_width_div);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height / display_height_div);
}
if (codec->codec_id == AV_CODEC_ID_RAWVIDEO) {